# A058406 (b-file synthesized from sequence entry)
0 0
1 0
2 1
3 2
4 27
5 199
6 2645
7 34236
8 560742
9 9958754
10 201928954
11 4480386932
12 109410252512
13 2897637649204
14 82974026800132
15 2550731142019568
16 83843131420325008
17 2933465366569951168
18 108862752438362487648
19 4270766898251635808800